Unfortunately intruded by Trojan:JS/Medfos.B but cannot find an antidote? Haven’t realized what damage can Trojan:JS/Medfos.B cause? After reading this post, you can have a clear understanding about Trojan:JS/Medfos.B and get the step-by-step guide to remove it completely and effectively with no risk.

Trojan:JS/Medfos.B Description

Trojan:JS/Medfos.B is identified as an extremely harmful infection which can infiltrate your computer by making use of your network exploits and drop your system with other vicious threats such as adware, browser hijacker and spyware. Once it successfully gets access to your PC, it endangers your Internet environment by redirecting your web searches to other harmful domain, which carries more threatening viruses and deceives you to purchase some suspicious products. And you will harassed by lots of pop-ups when you get access to internet, and you network speed becomes slow and even crashes. Moreover, it allows remote access to compromise your computer by changing your PC system settings, registry settings and files to capture and steal your personal privacy data without any permission. The worse part is that, it will produce many copies of itself to occupy every corner, and keeps updating itself by changing its files’ names and directories frequently to prevent antivirus detection and add more difficulty to removal, thus even though you have the top antivirus program such as MSE, you will still be failed to get rid of this nasty virus. There is no doubt that this virus needs to be ended at a quick time with manual solution to protect your system and precious data.

How Would My Computer Get Entangled by Trojan:JS/Medfos.B

Trojan:JS/Medfos.B can infect computers in various ways.
1. Trojan:JS/Medfos.B can be downloaded via malicious drive-by-download scripts from corrupted porn and shareware / freeware websites;
2. Trojan:JS/Medfos.B can be installed through spam email attachments;
3. Trojan:JS/Medfos.B can lurk into target PC via media downloads and social networks;
4. Trojan:JS/Medfos.B can be executed by other threats on system.

How to prevent from being infected by virus like Trojan:JS/Medfos.B?

(1)Be cautious when clicking some link. It can point your browser to download threats or visit malicious web site.
(2) Don’t download unknown “free” software
(3) Avoid opening unknown e-mail attachments
(4) Don’t get access to illegal online contents such as gambling or porn.

Harmful Properties of Trojan:JS/Medfos.B

  1. Trojan:JS/Medfos.B is capable of hiding itself at the background and keeps running to consume your PC resources
  2. Trojan:JS/Medfos.B comes without any consent and disguises itself in root of the system once installed.
  3. Trojan:JS/Medfos.B compromises your system and may introduce additional infections like rogue software
  4. Trojan:JS/Medfos.B redirect you to some unsafe websites and advertisements which are not trusted
  5. Trojan:JS/Medfos.B significantly slows down your computer performance and sometimes makes system crashed randomly.

Remove Trojan:JS/Medfos.B with the Most Efficient Solutions

Solution 1 : Remove Trojan:JS/Medfos.B Manually

Solution 2 : Remove Trojan:JS/Medfos.B Automatically by Spyhunter


Details for Solution 1 – Remove Trojan:JS/Medfos.B Manually by Yourself

Step 1: Reboot your infected PC > keep pressing F8 key before Windows start-up screen shows > use the arrow keys to select “Safe Mode with Networking” and press Enter.

Step 2: Press Ctrl+Alt+Del keys together and stop Trojan:JS/Medfos.B processes in the Windows Task Manager.


Step 3: Detect and remove Trojan:JS/Medfos.B associated files listed below:

%AppData%[trojan name]toolbardtx.ini
%AppData%[trojan name]toolbarguid.dat
%AppData%[trojan name]toolbaruninstallIE.dat
%AppData%[trojan name]toolbaruninstallStatIE.dat
%AppData%[trojan name]toolbarversion.xml

Step 4: Open the Registry Editor, search for and delete these Registries created by Trojan:JS/Medfos.B

(Click Start button> click “Run” > Input “regedit” into the Run box and click ok)

HKEY_LOCAL_MACHINESOFTWAREClasses[trojan name]IEHelper.DNSGuardCurVer
HKEY_LOCAL_MACHINESOFTWAREClasses[trojan name]IEHelper.DNSGuard.1

Video Guide of Manual Removal

Details for Solution 2 – Remove Trojan:JS/Medfos.B Automatically by Spyhunter

Step 1: click the link to download and install Spyhunter on your computer.

Step 2: click ” Yes, protect my homepage” to protect your browser.

Step 3: Click “Scan Now” to scan your computer to block Trojan:JS/Medfos.B


If you are not a computer expert, you are suggested to remove Trojan:JS/Medfos.B automatically with Spyhunter since any inappropriate deleting may cause your computer to crash down. Download and Install Spyhunter to smash Trojan:JS/Medfos.B right now! Also, Spyhunter can protect your computer from other sorts of malware like spyware, ransomware and trojan as an after removing bonus.

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How to Remove Trojan:JS/Medfos.B - Guide to Get Rid of Trojan:JS/Medfos.B Easily , 10.0 out of 10 based on 4 ratings

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